Figure 6 Section Through A Vacuum Breaker Pole; Figure 7 Section T Hrough A Vacuum Interrupter; Figure 8 . Secti On Through The Vacu Um Breaker - Siemens 5-FSV-350 Installation Operation & Maintenance

Interrupter/Operator
Description
31
36
36 3
4 0
48 9 48 6 48
A
Terminal
B Fixing screw
p
Evacuat1on n1pple
16 1 Upper Insulator
16 2 Lower 'nsulator
20 Upper pole support
Figure 6 Section Through A Vacuum Breaker Pole
31 Stationary contact
31 1
Washer
31 2 Stationary Contact Stem
Insulator
32
33 Arcmg chamber
Typ1cal for
other ratings
a
Figure 7 Section T hrough A Vacuum Interrupter
63
63 7
27 Upper term1nal
1
27 Upper Terminal Angle
28 Strut
28 1 Centenng nng
29 Lower term1nal
29 1 Flex1ble strap
34 Bellows
35 Gu1de
36 Moving contact
361 Movable contact stem
36 2 Mechan1cal coupling
31 2---- -- -.
31 1
Typical for 5-MSV-250
b
20 31 2
27
28
28 1
29 1
29
40
29 2 Term1nal clamp
30 Vacuum interrupter
31 2 Terminal post
1
36 Movable Contact Stern
36 3 Eye Bolt
4 0 Lower pole support
16 1
27 1
2 0
A
28
30
1
29
29
4 0
29 2
Figure 8 Section T hrough the Vacuum Breakers
Page 1 3
16 1 6 0
48 Insulated coupler
48.5 Pin Lever
48 6
49 9 Drive link
49 Contact Pressure Spring
6 0 Mechanism housing
80 Phaser barrier
48.6
48.9
6 0